#255463
Closest named color: Deep Teal (#00555A). oklch(42% 0.057 221.6), rgb(37, 84, 99).
Aa
White text reads best on this color (8.31:1).
About this color
#255463 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.057 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.027 away. White text reads best on it, at 8.31:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #255463 |
| RGB | rgb(37, 84, 99) |
| HSL | hsl(195, 46%, 27%) |
| OKLCH | oklch(42% 0.057 221.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #255463 | 8.31:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #255463 | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #255463 text on white | 8.31:1 | AAA | Lc 88.5 | Fine for body text |
| #255463 text on black | 2.52:1 | Fails | Lc -13.7 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3EBEE
oklch(93.5% 0.009 222.1)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#AAC6D0
oklch(80.9% 0.033 221.4)
-
Step 400
400
#7CA9B8
oklch(70.8% 0.053 220.5)
-
Step 500
500
#5993A7
oklch(63.1% 0.068 222.1)
-
Step 600
600
#3C7D92
oklch(55.6% 0.074 221.7)
-
Step 700
700
#2E697C
oklch(49% 0.068 222)
-
Step 800
800 (this color)
#255463
oklch(42% 0.057 221.6)
-
Step 900
900
#254752
oklch(37.7% 0.044 221)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#255463 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4B5264 | 0.046 |
| Deuteranopia (no green cones) | #424B63 | 0.042 |
| Tritanopia (no blue cones) | #005959 | 0.033 |
| Achromatopsia (no color) | #4E4E4E | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255463
#255463
oklch(42% 0.057 221.6)
- #674234
#674234
oklch(41.8% 0.057 41.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #255463, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.033
- Petrol #005F6A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Dark Teal #014D4E ΔE 0.048
- YInMn Blue #415A77 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.052
Use #255463 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.